Javax microedition io file filesystemlistener

This check is performed prior to security checks. Parameters: listener - The new FileSystemListener that is to be registered in order to handle adding and removing file system roots. Returns: true if the file system listener was successfully added; otherwise false.

Throws: SecurityException - If the application is not given permission to read files. NullPointerException - If the listener is null. If file systems are not supported on a device, this method returns false. Create a free Team What is Teams?

Collectives on Stack Overflow. Learn more. Ask Question. Asked 10 years, 6 months ago. Active 10 years, 6 months ago. Viewed 8k times. Improve this question. Kavitha Kavitha 2 2 gold badges 8 8 silver badges 22 22 bronze badges. Add a comment. Active Oldest Votes. Improve this answer.

Each root string is guaranteed to uniquely refer to a root. Root names are device specific and are not required to adhere to any standard. The file URL must be a full absolute path file name. Relative path names i. The Java String class is capable of containing Unicode characters and therefore the file URI may be specified using Unicode characters.

The generic escaping mechanism and valid character repertoire that can be presented literally are defined in the URI specification [RFC ]. This canonical form of the URI is referred to in this specification as " escaped form ". All of the methods in the Connector class accept both escaped and unescaped forms of file URIs as valid file specifications.